Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810953 | Shock absorber for oil well pumping unit | — | 2004-11-02 |
| 6773002 | Compression spring rod | Thomas J. Fischer | 2004-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810953 | Shock absorber for oil well pumping unit | — | 2004-11-02 |
| 6773002 | Compression spring rod | Thomas J. Fischer | 2004-08-10 |